tokens: allow many tokens to be revoked at once
tokens: allow many tokens to be revoked at once

Rework how the token revoke command handles arguments so you can revoke
any number of tokens with a single invocation of the command (and only
have to pass in your credentials once!)

kennethlimcp/particle-cli,spark/particle-cli,kennethlimcp/particle-cli,spark/particle-cli,spark/particle-cli,spark/particle-cli,spark/particle-cli,spark/particle-cli,kennethlimcp/particle-cli,kennethlimcp/particle-cli,kennethlimcp/particle-cli,kennethlimcp/particle-cli